| Abbreviation | Definition |
|---|---|
| PSI | Pre-Sensory Intuition |
| PSIS | Posterior Inferior Iliac Spine |
| PSIS | Postero-Superior Iliac Spine |
| PSNB | Paravertebral Somatic Nerve Block |
| PSOH | Primary Sympathicotonic Orthostatic Hypotension |
| PSP | Phenolsulfonphthalein Test |
| PSP | Posterior Spinal Paresis |
| PSP | Posterior Spinous Process |
| PSP | Progressive Supranuclear Palsy |
| PSPS | Physician Supplier Procedure Summary |
| PSQM | Perceptual Speech Quality Measurement |
| PSR | Periodontal Screening And Recording |
| PSR | Physicians for Social Responsibility |
| PSRB | Physicians for social responsibility Bangladesh |
| PSRN | Physicians for Social Responsibility Nepal |
| PSS | Progressive Systemic Sclerosis |
| PSSD | Peripheral Specified Sensory Device |
| PSSO | Pain Syndrome of Spinal Origin |
| PSST | Pressure Sore Status Tool |
| PST | Pulsed Signal Therapy |